28929982 has 16 divisors (see below), whose sum is σ = 44653392. Its totient is φ = 14051520.

The previous prime is 28929977. The next prime is 28929983. The reversal of 28929982 is 28992982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28929983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8698 + ... + 11554.

It is an arithmetic number, because the mean of its divisors is an integer number (2790837).

Almost surely, 2^28929982 is an apocalyptic number.

28929982 is a deficient number, since it is larger than the sum of its proper divisors (15723410).

28929982 is a wasteful number, since it uses less digits than its factorization.

28929982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003.

The product of its digits is 373248, while the sum is 49.

The square root of 28929982 is about 5378.6598702651. The cubic root of 28929982 is about 306.9842218334.

The spelling of 28929982 in words is "twenty-eight million, nine hundred twenty-nine thousand, nine hundred eighty-two".